Site summaries (continued)

Proposed Site CRIS-7A

Priority: Contingency
Position: 8.423031°N, 84.160568°W
Water depth (m): 2120
Target drilling depth (mbsf): 310
Approved maximum penetration (mbsf): 310
Survey coverage: BGR 99-7 CMP 5850
• Track map (Fig. AF1)
• Seismic profile (Fig. AF5)
• Location map (Fig. F2)
Objective: Alternate for Site CRIS-1A. Characterize oceanic input to the subduction zone.
Drilling and logging program: • APC to refusal, then XCB to basement.
• RCB from 110 to 200 mbsf.
• Conduct wireline logging or LWD/LWC.
Nature of rock anticipated: Sediments: mud, silt, and basaltic flows